John j



J{J.R0BPBR.

Steam Heater! `1\T0`. 101, '772. /Patented June 28, 1870.

IIIIIYU N. PETERS. PHOTO-LITHOGRAPHEH. WASHINGTON. D t)4 dinard stattestmt -Gtiilira JOHN IfRoEPER, or PHILADELPHIA, PENNSYLVANIA.

.- Leners Patentamt 104,772, maa June 2s, 1870.

STEAM HEATER'.

` The Schedule referred to in these Letters Patent and making para: ofthe same- I, J om J. ROEPER, of the city of Philadelphia, in the Stateof Pennsylvania, have invented certain Improvements in Heat-Radiators,of which the following is a specification.

Nature and Objects ofthe Invention.

vMyimprovcments-relate to the eonstruetionof that Y Description of theAccompanying Drawings.

Figure lisa side elevation of one of the sections,

having three communicating parallel i'lues cast togetherin one piece ofiron.

Figure 2 is a vertical longitudinal section, representingthe interior ofthe series of iiues shown in v General Description.

Each section, A B, of the radiator, consistsl of parallel fines, aa,which are rectangular in their trans- .verse section, and. have openends, which communin them broader surfaces, for receiving the usualpacking.

The 4sections A B are intended to be secured together by long bolts,(see dotted lines in iig. 2,) passing through holes, drilled for thepurpose, 'In the mlddle of thc closed ends 4 4, and also in thepartitions C C, if thelatter be present, so that several of the saidsections A B can be rmly drawn together edgewise, with the usual packingbetween their flanges, by means of screw-nuts on the bolts.

If the said sections A B be intended to be connected together side byside, both of the ends'of', the lues a" a" are east closed, 'and theflanged openings 7 7 made in the sides, at pointsnear either two of thediagon-` ally opposite corners-cf the said sections, as represented .infig. 1,4 and the sect-ions thenl securedside by' side, withpackingbetween their anges, by means of' screw-bolts and nuts, in themanner before described.

In either case, the whole exterior of each of' the said sections A B iscast with numerous separate or distinct fins, S 8, consisting of thin,flat plates, projecting near each other and at right angles totherespective surfaces of the section, for the purpose of iuereasingtheheat-radiating surfaces of the said sections. Thc number of the ilucsa in each section, and the size and number of the sections required toform a complete radiator, will, of' course, depend upon the locality andthe temperature'required in the surrounding air. l f

Claim.

I claim as my invention-- A f v A -section, A B, in one piece of'cast-iron, the said section consisting of aAscries of intcrcommunicatingilues, a' a", and suitable-flanged openings,for affording `freeintercommunication with other like sect-ions, when cnnected together,substai'itially'as and for the purpose hereinbeforc described andspecified.

r JOHN J. RGEPER. Witnesses BENJ. MonIsoN, WM. H. MORIsoN.

